These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

This freshwater spring fills with 10,000 gallons of water per minute.

Abandoned concert venue legendary for its rock counterculture.

A dramatically eroding canyon thousands of miles from the desert.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

A grove of "candelabra redwoods" deep in California's Lost Coast.

This sculpture forces visitors to confront their relationship with space.

This unique library spans a mighty river.

This large artificial waterfall in Washington state was merely an incidental byproduct of a technological megaproject.

With its vaulted ceiling and gilded details, this University of Washington library would feel right at home inside an old palace.

An eclectic collection of wind-powered sculptures made from found and recycled materials.

A serene temple with stunning stained glass hides in downtown Dallas.

A taste of Middle Earth, in the middle of the Bayou City.

The 19th-century ruins hide deep in an overgrown forest.

A shrine to the royal lord of all cacti.

The oldest functional consecrated church on Mustang Island.

This small stone building, the final work of a renowned artist, offers a peaceful environment with radiant, colorful glass windows .

On the outskirts of San Antonio, a small bridge is said to be the home of a mysterious local legend known as the "Donkey Lady."

Known as one of America's most beautiful public restrooms.

This lake sits on an estimated 4 million tons of salt.

A dam that moonlights as a gigantic, brutalist waterslide.